Jetpack Compose Navigation Bar Alt

MainActivity.kt

//Instead of backStackEntry
var selectedItem by remember { mutableStateOf(0) }

//Replace bottomNavItems.forEach with,
bottomNavItems.forEachIndexed { index, item ->
    NavigationBarItem(
        selected = selectedItem == index,
        onClick = {
            selectedItem = index
            navController.navigate(item.route)
        },
        //Other parts will be the same
    )
}